This Rights Statement should be used for Items for which the copyright status is unknown and for which the organization that has made the Item available has undertaken an effort to determine the copyright status of the Work. Typically, this Rights Statement is used when the organization is missing key facts essential to making an accurate copyright status determination.http://rightsstatements.org/vocab/UND/1.0/

Chicago citation style

New York World's Fair (1939-1940 : New York, N.Y.). Morality and Nudity Issues. 1935 - 1945. Retrieved from the Digital Public Library of America, http://digitalcollections.nypl.org/items/9c09258f-3a43-6205-e040-e00a18067846. (Accessed November 19, 2018.)

APA citation style

New York World's Fair (1939-1940 : New York, N.Y.), (1935 - 1945) Morality and Nudity Issues. Retrieved from the Digital Public Library of America, http://digitalcollections.nypl.org/items/9c09258f-3a43-6205-e040-e00a18067846

MLA citation style

New York World's Fair (1939-1940 : New York, N.Y.). Retrieved from the Digital Public Library of America <http://digitalcollections.nypl.org/items/9c09258f-3a43-6205-e040-e00a18067846>.

Note: These citations are programmatically generated and may be incomplete.